What is another word for "apt"?

Roget's Thesaurus (1911) lists these synonyms for "apt": answerable, chance, contingency, contingent, danger, dependent, door, expose, exposure, from, incident, incidental, incur, lay, liability, liable, liableness, lie, mercy, obnoxious, oneself, open, possibility, possible, range, run, stand, subject, susceptibility, susceptivity, the, under, within.